| Birsfelden to Oswego (Illinois) | 4,421.95 mi (7,116.44 km) |
| Birsfelden to Oswego (New York) | 3,876.59 mi (6,238.77 km) |
| Birsfelden to Otsego (Minnesota) | 4,451.83 mi (7,164.53 km) |
| Birsfelden to Ottawa (Illinois) | 4,455.90 mi (7,171.08 km) |
| Birsfelden to Ottawa (Kansas) | 4,833.57 mi (7,778.88 km) |
| Birsfelden to Ottumwa (Iowa) | 4,608.68 mi (7,416.95 km) |
| Birsfelden to Overland (Missouri) | 4,640.57 mi (7,468.27 km) |
| Birsfelden to Overland Park (Kansas) | 4,797.61 mi (7,721.01 km) |
| Birsfelden to Overlea (Maryland) | 4,047.61 mi (6,514.00 km) |
| Birsfelden to Oviedo (Florida) | 4,734.26 mi (7,619.06 km) |
| Birsfelden to Owasso (Oklahoma) | 4,970.01 mi (7,998.46 km) |
| Birsfelden to Owatonna (Minnesota) | 4,493.10 mi (7,230.94 km) |
| Birsfelden to Owensboro (Kentucky) | 4,555.82 mi (7,331.88 km) |
| Birsfelden to Owings Mills (Maryland) | 4,057.09 mi (6,529.25 km) |
| Birsfelden to Owosso (Michigan) | 4,201.56 mi (6,761.75 km) |
